weather June 9, 2020 7:16 pm Weather Classroom: Severe Weather and Bay Area Tornadoes This weeks edition of the NBC Bay Area weather classroom takes a closer look at severe, supercell thunderstorms and how tornadoes are formed. US & World Videos 2:51 Cinthia's forecast: Spring storm, cooler temperatures 2:58 Jeff's Forecast: Saturday rain drops temps and brings major Sierra snow 3:25 Bay Area Forecast: Storm brings rain, colder temps and big Sierra snow 2:31 Forecast: Rainy Saturday ahead 2:12 Kari's forecast: Rainy Saturday ahead
